255137

Properties

Appears in sequences

• a(n)=T(n,n-4), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=4.at n=12A026573
• Number of nondecreasing arrangements of n numbers x(i) in -(n+3)..(n+3) with the sum of sign(x(i))*2^|x(i)| zero.at n=10A187984
• Numbers k such that 413*2^k+1 is prime.at n=31A323106
• Prime numbersat n=22453